Home / 40,866.50-61,299.75-13,164.50

Finding the Fourth Proportional to 40,866.50, 61,299.75 and 13,164.50

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Solution

The fourth proportional to 40,866.50, 61,299.75 and 13,164.50 is: 19,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,866.50 : 61,299.75 = 13,164.50 : x
  2. Step 2: Convert to fraction form
    40,866.50/61,299.75 = 13,164.50/x
  3. Step 3: Cross multiply
    40,866.50x = 61,299.75 × 13,164.50
  4. Step 4: Simplify right side
    40,866.50x = 806,980,558.88
  5. Step 5: Solve for x
    x = 806,980,558.88/40,866.50
  6. Step 6: Final answer
    x = 19,746.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.